Amazon river dolphin

Amazon dolphin

Definition of Amazon river dolphin

:botoAmazon river dolphins, or botos, have a curious habit: occasionally one will grab some river grass or a rock in its mouth and pop its head above the surface, showing its prize for all to see. — Henry Fountain, New York Times, 1 Apr. 2008At up to 450 pounds and eight feet in length, the Amazon dolphin, or boto, is the largest of the four known species of river dolphin. — Mark Jenkins, National Geographic, June 2009